128528344

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{22283}}^1$

素因数の和:22399

約数の個数: 32

約数和(自身を含む): 278104320

約数和(自身を除く): 149575976

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 5768, 22283, 44566, 89132, 155981, 178264, 311962, 623924, 1247848, 2295149, 4590298, 9180596, 16066043, 18361192, 32132086, 64264172, 128528344]

約数ペア:

[(1, 128528344), (2, 64264172), (4, 32132086), (7, 18361192), (8, 16066043), (14, 9180596), (28, 4590298), (56, 2295149), (103, 1247848), (206, 623924), (412, 311962), (721, 178264), (824, 155981), (1442, 89132), (2884, 44566), (5768, 22283)]